package com.xuzz.study.io.netty.protocoltcp;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;

import java.nio.charset.Charset;

public class MyClientHandler extends SimpleChannelInboundHandler<MessageProtocol> {
    private int count;
    @Override
    protected void channelRead0(ChannelHandlerContext ctx, MessageProtocol msg) throws Exception {
        /*byte[] buffer = new byte[msg.readableBytes()];
        msg.readBytes(buffer);

        String message = new String(buffer, Charset.forName("utf-8"));
        System.out.println("客户端接收到数据 "+message);
        System.out.println("客户端接收到消息量 "+(++this.count));*/
        int len = msg.getLen();
        byte[] content = msg.getContent();
        System.out.println();
        System.out.println();
        System.out.println("客户端接收到信息如下");
        System.out.println("长度="+ len);
        System.out.println("内容="+new String(content,Charset.forName("utf-8")));
        System.out.println("客户端接收到消息包数量="+(++count));

    }

    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        /*for(int i=0;i<10;++i)
        {
            ByteBuf byteBuf = Unpooled.copiedBuffer("hello,server" + i, Charset.forName("utf-8"));
            ctx.writeAndFlush(byteBuf);
        }*/
        for(int i=0;i<5;i++)
        {
            String mes = "今天天气冷，吃火锅";
            byte[] content = mes.getBytes(Charset.forName("utf-8"));
            int length = content.length;

            MessageProtocol messageProtocol = new MessageProtocol();
            messageProtocol.setLen(length);
            messageProtocol.setContent(content);
            ctx.writeAndFlush(messageProtocol);
        }
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
//        cause.printStackTrace();
        System.out.println("异常消息="+cause.getMessage());
        ctx.close();
    }
}
